Home / 727,590.34-1,091,377.83-284,354.50

Finding the Fourth Proportional to 727,590.34, 1,091,377.83 and 284,354.50

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Solution

The fourth proportional to 727,590.34, 1,091,377.83 and 284,354.50 is: 426,528.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,590.34 : 1,091,377.83 = 284,354.50 : x
  2. Step 2: Convert to fraction form
    727,590.34/1,091,377.83 = 284,354.50/x
  3. Step 3: Cross multiply
    727,590.34x = 1,091,377.83 × 284,354.50
  4. Step 4: Simplify right side
    727,590.34x = 310,338,197,160.74
  5. Step 5: Solve for x
    x = 310,338,197,160.74/727,590.34
  6. Step 6: Final answer
    x = 426,528.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.